AIDA National for the United States. USAA is a federal 501 (c) 3 non profit organization that represents freediving in the Untied States. USAA is the national organization within the International Assoication for the Development of Apnea (AIDA) www.aida-international.org. As such, USAA is responsible for sanctioning all competitive freediving within the US and recognition of all US National Records. USAA is also responsible for sel ...